diff --git a/app/src/main/java/com/gh/common/util/PackageUtils.java b/app/src/main/java/com/gh/common/util/PackageUtils.java
index ab06983394..c3cc763cf1 100644
--- a/app/src/main/java/com/gh/common/util/PackageUtils.java
+++ b/app/src/main/java/com/gh/common/util/PackageUtils.java
@@ -263,9 +263,13 @@ public class PackageUtils {
             if (!TextUtils.isEmpty(v1SignaturePublicKey)) {
                 return v1SignaturePublicKey.equals(installedPublicKey1) || v1SignaturePublicKey.equals(installedPublicKey2);
             }
+            String v1SignaturePublicKeyFromSystemApi = getV1SignatureFromFileBySystemApi(apkFilePath);
+            if (!TextUtils.isEmpty(v1SignaturePublicKeyFromSystemApi)) {
+                return v1SignaturePublicKeyFromSystemApi.equals(installedPublicKey1);
+            }
 
             return getV2SignatureFromFile(apkFilePath).equals(installedPublicKey1);
-        } catch (Exception e) {
+        } catch (Throwable e) {
             e.printStackTrace();
         }
         return false;
@@ -302,6 +306,13 @@ public class PackageUtils {
         }
     }
 
+    /**
+     * 用系统 API 获取 V1 签名 (最后一招了) (大文件可能会 ANR，但 ANR 一会可用的话比不能用好点！)
+     */
+    private static String getV1SignatureFromFileBySystemApi(String apkFilePath) {
+        return parseSignature(HaloApp.getInstance().getPackageManager().getPackageArchiveInfo(apkFilePath, PackageManager.GET_SIGNATURES).signatures[0].toByteArray())[0];
+    }
+
     /**
      * 从 APK 文件中获取 V2 签名公钥
      *